3D Printing InfoPrinter comparison
Bambu Lab X1E vs ELEGOO Neptune 4
Compare hardware, build volume, printing specifications, dated prices and sources.
2 selected · all documented properties
Open these two in the interactive comparisonMore Bambu Lab X1E comparisonsMore ELEGOO Neptune 4 comparisons
| Property | Bambu Lab X1ECOREXY | ELEGOO Neptune 4BEDSLINGER |
|---|---|---|
| Identity | ||
| Brand | Bambu Lab | ELEGOO |
| Class | COREXY | BEDSLINGER |
| Identity & Market | ||
| Manufacturer & exact marketed model name (verify the exact product identity first) | Bambu Lab X1E; spec PDF header "Bambu Lab X1E Technical Specification"[1] | ELEGOO Neptune 4 (spec table "Product Model: Neptune 4")[2] |
| Release date (announcement and actual shipping) | Not documented | Listed on the ELEGOO US store from 27 May 2023 (Shopify publish date)[3] |
| Street price (USD; dated snapshot per entry) | Not documented | $219.00 on us.elegoo.com, Aug 2026, against a compare-at price of $249.00; both the Ribbon-Cable and Type-C printhead variants are the same price[3] |
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Enterprise variant of the X1-Carbon, not a trim level. Differences from the X1C, from the two manufacturer spec sheets side by side: active chamber heating to 60 C (X1C has none), 320 C vs 300 C hot end, Smooth PEI plate included vs Cool/Engineering plates, G3+H12+carbon filter stack vs carbon filter only, Ethernet with a network kill switch, removable network module and 802.1X vs Wi-Fi only, 16 kg vs 14.13 kg, and 1400 W at 220 V / 750 W at 110 V vs 1000 W / 350 W[1][4] | Two printhead variants of the same machine are sold under one SKU - "Ribbon-Cable Version" and "Type-C Version" - which use different printhead parts. Within the Neptune 4 family the numbers diverge sharply and get mixed up constantly: Neptune 4 is 225 x 225 x 265 mm with a 110 C bed and 20000 mm/s2; the Plus is 320 x 320 x 385 mm with a 100 C bed and 12000 mm/s2; the Max is 420 x 420 x 480 mm with an 85 C bed and only 8000 mm/s2. The Neptune 4 Pro is a separate model again[3][2][5][6] |
| Market position: superseded? successor announced? | Not present in the Bambu Lab US store 3D-printer collection in Aug 2026, which lists A1, A1 mini, A2L, P1S, P2S, X2D, H2S, H2D and H2C. Bambu sells business machines through a separate Business & Institution channel, so absence from the consumer collection is not proof of discontinuation; no live first-party price could be recorded[7] | Still listed in ELEGOO's US store Neptune section in Aug 2026 alongside the 4 Pro, 4 Plus and 4 Max, but ELEGOO's current development is on the Centauri line[8] |
| Physical & Frame | ||
| Build volume X×Y×Z (mm) — advertised vs actually usable | 256 x 256 x 256 mm (manufacturer figure)[1] | 225 x 225 x 265 mm; the PEI platform itself is 235 x 235 mm[2] |
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 389 x 389 x 457 mm - identical to the X1-Carbon[1] | 475 x 445 x 515 mm. ELEGOO separately publishes a "maximum size for machine activity" of 475 x 550 x 735 mm including rack and tray - the depth to allow for is 550 mm, not 445 mm[2] |
| Net weight (kg) | 16 kg net (against 14.13 kg for the X1-Carbon)[1][4] | 8.3 kg net, 10.6 kg gross[2] |
| Frame construction & material | Steel chassis with an aluminium and glass shell[1] | CNC-machined aluminium extrusion frame[2] |
| Enclosure: open / enclosed; panel material; door/lid | Fully enclosed with a door sensor, and the only X1 with active chamber heating; the chamber is controlled to a maximum of 60 C[1] | Open frame, no enclosure[2] |
| Passive chamber temperature reached (if enclosed; measured values preferred) | Actively heated chamber, maximum controlled temperature 60 C (manufacturer figure; not a passive measurement)[1] | Not documented |
| Kinematics & Motion Hardware | ||
| Kinematics (bedslinger i3 / CoreXY / other) | CoreXY, two stepper motors with one belt each (X1 series motion system)[9] | Cartesian i3 bed-slinger[2] |
| X-axis guide type (rods / linear rails / V-wheels; size) | Carbon X rail as on the X1-Carbon (X1 series toolhead and gantry)[10] | Not documented |
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | Three leadscrews belt-driven from a single stepper motor, whole bed moving in Z (X1 series)[9] | Two lead screws (the Neptune 4 Plus and Max add two tie rods to the same arrangement)[11] |
| Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?) | Not documented | "Silent Drive (All Axes)" is all ELEGOO publishes; no driver part number is given[11] |
| Speed & Acceleration | ||
| Max print speed (claimed, mm/s) | 500 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1] | 500 mm/s max toolhead speed (manufacturer claim); the Neptune 4 Plus page for the same family states a recommended 250 mm/s[2][5] |
| Recommended/typical print speed | Not documented | 250 mm/s recommended printing speed against the 500 mm/s ceiling (ELEGOO's own figure)[11] |
| Max acceleration (claimed, mm/s²) | 20 m/s2 = 20000 mm/s2 max toolhead acceleration (manufacturer claim)[1] | 20000 mm/s2 max toolhead acceleration (manufacturer claim) - notably higher than the Plus at 12000 and the Max at 8000, because the moving mass is smaller[2][5][6] |
| Max volumetric flow claimed (mm³/s) | 32 mm3/s claimed on a 150x150 mm single-wall model in Bambu ABS at 280 C[1] | Not documented |
| Extruder | ||
| Type (direct drive / bowden) & design name | Direct drive with hardened-steel extruder gears[1] | Dual-gear direct extruder with 2 fans[11] |
| Hotend & Nozzle | ||
| Hotend design (proprietary/standard; quick-swap mechanism?) | All-metal hotend with a hardened-steel nozzle; 0.4 mm included, 0.2/0.6/0.8 mm optional; built-in filament cutter[1] | Brass nozzle, 0.4 mm, with a copper and titanium-alloy heat break - the Plus and Max use a titanium-alloy heat break only[11] |
| Max nozzle temp claimed AND firmware max temp limit (both values) | 320 C claimed max hot-end temperature - 20 C above the X1-Carbon[1][4] | 300 C claimed max nozzle temperature[2] |
| Heated Bed & Surface | ||
| Max bed temp claimed AND firmware limit | 110 C at 220 V, 120 C at 110 V max build-plate temperature[1] | 110 C max heated bed temperature[2] |
| Bed surface (material, texture, coating), single/double-sided | Flexible steel plate, Smooth PEI plate included; High Temperature, Textured PEI and Cool plates optional[1] | PEI spring steel sheet, now upgraded by ELEGOO to a dual-sided textured PEI + PLA-specific surface[11] |
| Leveling & Z-Offset | ||
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Nozzle-touch probing on the three ceramic heatbed force sensors, plus the Bambu micro-lidar for first-layer inspection[1][12] | Manual levelling combined with 121-point auto-levelling; no full-auto calibration on this model[11] |
| Filament Handling & Detection | ||
| Filament runout sensor (type, location) | Yes - run-out sensor and door sensor; odometry with AMS[1] | Filament detection fitted; power-loss resume printing supported[2] |
| Cooling & Air Handling | ||
| Part-cooling fan(s): count, size, ducting design | Part-cooling fan, hot-end fan, control-board fan, chamber temperature regulator fan and auxiliary part-cooling fan, all closed-loop controlled[1] | Not documented |
| Chamber/exhaust fan & filtration (activated carbon / HEPA) | G3 pre-filter, H12 HEPA filter and granulated coconut-shell activated-carbon filter; VOC filtration rated Optimal and particulate filtration present[1] | Not documented |
| Electronics & Power | ||
| Mainboard model & MCU (exact chip markings if teardowns exist) | Motion controller dual-core Cortex-M4; application processor quad ARM A7 at 1.2 GHz with a 2 TOPS NPU; 4 GB eMMC[1] | ELEGOO describes it only as a "Klipper High-Speed Quiet Motherboard" - no board model or MCU published[11] |
| Input voltage (110/220 V, switch or auto) | Not documented | 115/230 V, 50/60 Hz on the product page; ELEGOO's compare page gives 110-120 / 220-240 VAC 50/60 Hz[2][11] |
| Total rated power draw | 100-240 VAC 50/60 Hz; 1400 W at 220 V, 750 W at 110 V[1] | 310 W rated power, 24 V output[11] |
| Firmware & Openness | ||
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Closed-source proprietary firmware - not a Klipper or Marlin derivative, and no printer-firmware source is published. The bambulab GitHub organisation carries 11 repositories (Bambu Studio, wxWidgets/boost/ffmpeg forks, the wiki); none is printer firmware. Updates are delivered over the air via Bambu Studio / Bambu Handy[13] | Klipper (ELEGOO names the system "Klipper" outright for the Neptune 4 series, rather than the ELEGOO OS branding used on the Centauri machines)[11][14] |
| Connectivity, UI & Camera | ||
| Display: size, type, touch? | 5-inch 1280x720 touchscreen[1] | 4.3-inch colour capacitive touch screen[11] |
| On-device UI capabilities (model preview, per-object controls, etc.) | Touchscreen plus app and PC application[1] | Colour capacitive touch UI; ElegooSlicer recommended, with Orca and Cura also supported[11] |
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi (802.11 b/g/n) plus 100 Mbps full-duplex RJ45 Ethernet, a network kill switch covering both Wi-Fi and Ethernet, a removable network module and 802.1X network access control - the feature set that distinguishes the X1E from every other Bambu machine. 4 GB eMMC and a microSD card reader[1] | LAN and USB file transfer; no Wi-Fi is listed for the base Neptune 4, unlike the Plus (USB/LAN/Wi-Fi) and Max (Wi-Fi/USB/WLAN)[2][5][6] |
| Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps) | Built-in 1920x1080 chamber monitoring camera; micro-lidar also fitted[1] | Not documented |
| Materials Support | ||
| Officially supported filament list | Optimal: PLA, PETG, TPU, PVA, BVOH. Superior: ABS, ASA, PC, PA, PET and carbon/glass-fibre reinforced PLA, PETG, PA, PET, PC, ABS, ASA. Ideal: PPA-CF/GF, PPS, PPS-CF/GF[1] | PLA, TPU, PETG, ABS, ASA, Nylon[2] |
| Safety | ||
| Thermal runaway protection (verify in firmware source if at all possible) | Firmware over-temperature protection is documented for the X1 series: HMS_0300-0200-0001-0003 fires when the heater runs at full power without reaching target in time. Thresholds are not published and the firmware is closed-source[15] | Not documented |
| Noise & Power Consumption | ||
| Noise: claimed dB and independently measured dB (distance/method) | Not documented | Operating sound published as 60 dB or less - a manufacturer figure with no distance or method stated, so it is not comparable with an independently measured reading[11] |
| Reliability, Support & Ecosystem | ||
| Warranty length & support reputation (evidence, not vibes) | 2-year limited warranty for consumers in the US, Canada, the EU, Switzerland, Norway and Iceland; 1 year in the rest of the world. Bambu Lab's own policy records the US/Canada term as a 2026 extension from one year to two[16] | 12 months on brand-new machines and parts, but ELEGOO's own table excludes a long list of parts from that: PEI plate / build plate / nozzle kit / PTFE tube / heater / thermistor / hot end / packaging / manual / tools carry no warranty at all, and the extruder, extruder kit and printhead kit get 6 months. Certified pre-owned machines carry no warranty[17] |
Manufacturer claims, independent measurements, packages and test conditions retain their source wording. FDM linear speed and resin vertical speed use different units and are not directly comparable. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.
Sources for this comparison
- Bambu Lab X1E Technical Specification (PDF) cdn1.bambulab.com · 2026-08 · doc
- ELEGOO Neptune 4 product page (Specification table) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 Shopify product JSON (variant prices and store publish date) us.elegoo.com · 2026-08 · vendor
- Bambu Lab X1-Carbon - Technical Specifications (PDF) public-cdn.bambulab.com · 2026-08 · doc
- ELEGOO Neptune 4 Plus product page (full specification table) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 Max product page (Specification table) us.elegoo.com · 2026-08 · vendor
- Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
- ELEGOO US store 3D printers collection (current line-up, Aug 2026) us.elegoo.com · 2026-08 · vendor
- Bambu Lab Wiki - X1 introduction wiki.bambulab.com · 2026-08 · doc
- PRNewswire - Bambu Lab Launches X1 Series, 23 May 2022 (Kickstarter dates and MSRP table) prnewswire.com · 2026-08 · doc
- ELEGOO compare-products page, which embeds the full per-model specification JSON for every Neptune, Centauri and OrangeStorm machine us.elegoo.com · 2026-08 · vendor
- Bambu Lab Wiki - Replace the Heatbed Sensor Unit / Heatbed Piezo Interface Board wiki.bambulab.com · 2026-08 · doc
- GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
- ELEGOO Centauri Carbon product page (full specification table) us.elegoo.com · 2026-08 · vendor
- Bambu Lab Wiki - HMS_0300-0200-0001-0003: nozzle heater over-temperature (X1 series) wiki.bambulab.com · 2026-08 · doc
- Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor
- ELEGOO Refund & Warranty policy (warranty period table) us.elegoo.com · 2026-08 · vendor